Atomic Kitten (Natasha Hamilton, Liz McClarnon, Kerry Katona) had three UK No1 singles including Whole Again, Eternal Flame and The Tide Is High (Get the Feeling) and two double-platinum No1 albums in the UK .

John said: “I didn’t work with Atomic Kitten but I did work with Liz McClarnon and we made some records. She’s a lovely girl.”